Encyclopedias, Almanacs, Transcripts, and Maps
- Tyromancy (or Tiromancy)
- Tyrrell, G(eorge) N(ugent) M(erle)(1879-1952)
- U.S. Psychotronics Association
- Übersinnliche Welt, Die (Journal)
- Udumbara (Center)
- UFO Investigator (Newsletter)
- UFO Magazine New Bulletin
- UFO Newsclipping Service
- Ugo Cerletti
- Ugolino and Vadino Vivaldi
- Ulisse Aldrovandi
- Ulisse Aldrovani
- Ulisse Dini
- Ullman, Montague (1916-)
- Ulman Stromer
- Ulnar Neuropathy
- Ultracentrifuge
- Ultracentrifuge
- Ultraviolet Light Analysis
- Umberto Nobile